Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 132 insertions, 0 deletions

diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/security/auth/sasl/amqplain/AmqPlainSaslServer.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/security/auth/sasl/amqplain/AmqPlainSaslServer.java
new file mode 100644
index 0000000000..9f56b8521a
--- /dev/null
+++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/security/auth/sasl/amqplain/AmqPlainSaslServer.java
@@ -0,0 +1,132 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.qpid.server.security.auth.sasl.amqplain;
+
+import java.io.IOException;
+
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.NameCallback;
+import javax.security.auth.callback.PasswordCallback;
+import javax.security.auth.callback.UnsupportedCallbackException;
+import javax.security.sasl.AuthorizeCallback;
+import javax.security.sasl.SaslException;
+import javax.security.sasl.SaslServer;
+
+import org.apache.mina.common.ByteBuffer;
+import org.apache.qpid.framing.AMQFrameDecodingException;
+import org.apache.qpid.framing.FieldTable;
+import org.apache.qpid.framing.FieldTableFactory;
+
+public class AmqPlainSaslServer implements SaslServer
+{
+    public static final String MECHANISM = "AMQPLAIN";
+
+    private CallbackHandler _cbh;
+
+    private String _authorizationId;
+
+    private boolean _complete = false;
+
+    public AmqPlainSaslServer(CallbackHandler cbh)
+    {
+        _cbh = cbh;
+    }
+
+    public String getMechanismName()
+    {
+        return MECHANISM;
+    }
+
+    public byte[] evaluateResponse(byte[] response) throws SaslException
+    {
+        try
+        {
+            final FieldTable ft = FieldTableFactory.newFieldTable(ByteBuffer.wrap(response), response.length);
+            String username = (String) ft.getString("LOGIN");
+            // we do not care about the prompt but it throws if null
+            NameCallback nameCb = new NameCallback("prompt", username);
+            // we do not care about the prompt but it throws if null
+            PasswordCallback passwordCb = new PasswordCallback("prompt", false);
+            // TODO: should not get pwd as a String but as a char array...
+            String pwd = (String) ft.getString("PASSWORD");
+            AuthorizeCallback authzCb = new AuthorizeCallback(username, username);
+            Callback[] callbacks = new Callback[]{nameCb, passwordCb, authzCb};
+            _cbh.handle(callbacks);
+            String storedPwd = new String(passwordCb.getPassword());
+            if (storedPwd.equals(pwd))
+            {
+                _complete = true;
+            }
+            if (authzCb.isAuthorized() && _complete)
+            {
+                _authorizationId = authzCb.getAuthenticationID();
+                return null;
+            }
+            else
+            {
+                throw new SaslException("Authentication failed");
+            }
+        }
+        catch (AMQFrameDecodingException e)
+        {
+            throw new SaslException("Unable to decode response: " + e, e);
+        }
+        catch (IOException e)
+        {
+            throw new SaslException("Error processing data: " + e, e);
+        }
+        catch (UnsupportedCallbackException e)
+        {
+            throw new SaslException("Unable to obtain data from callback handler: " + e, e);
+        }
+    }
+
+    public boolean isComplete()
+    {
+        return _complete;
+    }
+
+    public String getAuthorizationID()
+    {
+        return _authorizationId;
+    }
+
+    public byte[] unwrap(byte[] incoming, int offset, int len) throws SaslException
+    {
+        throw new SaslException("Unsupported operation");
+    }
+
+    public byte[] wrap(byte[] outgoing, int offset, int len) throws SaslException
+    {
+        throw new SaslException("Unsupported operation");
+    }
+
+    public Object getNegotiatedProperty(String propName)
+    {
+        return null;
+    }
+
+    public void dispose() throws SaslException
+    {
+        _cbh = null;
+    }
+}